component
UDT14A05L03
Public Made by Adomby adom
Brightking ESD And Surge Protection (TVS/ESD), SOT-143. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"manufacturer": "Brightking",
"package": "SOT-143",
"pin_count": 4,
"category": "Circuit Protection",
"subcategory": "ESD And Surge Protection (TVS/ESD)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906776221650944",
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"lbr": "udt14a05l03.lbr"
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"distributor_links": {
"lcsc": "C523549",
"digikey": "13-UDT14A05L03TR-ND",
"mouser": "603-UDT14A05L03"
},
"distributor_check": {
"checked_at": "2026-10-22T00:41:26Z",
"source": "Component Ocean /api/assign-pns",
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"status": "found",
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"pins": [
{
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"name": "GND",
"type": "power_in",
"description": "Ground, connected to the TVS diode anode and the GND line of the USB 2.0 connector."
},
{
"number": "2",
"name": "D+",
"type": "bidirectional",
"description": "Protected high-speed data line (D+) steered by the low-capacitance diodes, with 1.5 pF typ and 3 pF max I/O-to-GND capacitance at 0 V, 1 MHz."
},
{
"number": "3",
"name": "D-",
"type": "bidirectional",
"description": "Protected high-speed data line (D-) steered by the low-capacitance diodes, with 1.5 pF typ and 3 pF max I/O-to-GND capacitance at 0 V, 1 MHz."
},
{
"number": "4",
"name": "VBUS",
"type": "power_in",
"description": "Protected power line (VBUS) connected to the TVS diode cathode, with 5 V reverse stand-off voltage and 6 V min breakdown at 1 mA."
}
],
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"extractor": "ds2sf",
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"pages": 5,
"sha256": "0c9b4fdb38813add",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 4,
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